Highway safety marker



FIG. 1 is a perspective view of a highway safety marker showing my new design;

FIG. 2 is a top plan view thereof on an enlarged scale;

FIG. 3 is a front view thereof on an enlarged scale, the rear being a mirror image;

FIG. 4 is a greatly enlarged cross-sectional view as taken on line 4--4 of FIG. 3;

FIG. 5 is a side view thereof on an enlarged scale;

FIG. 6 is a bottom view thereof on an enlarged scale. 

The ornamental design for a highway safety marker, as shown and described. 